Anti-swing device for lifting hook of crane

Abstract

The utility model relates to the technical field of crane control, and discloses a crane hook anti-swing device which comprises a telescopic rod, a connector is fixedly mounted at the bottom of the telescopic rod, a shell for protection is clamped at the bottom of the telescopic rod, and a pulley for lifting is clamped in the shell. A hook used for hanging articles is clamped to the bottom of the shell, and a supporting frame used for keeping the goods balanced is fixedly connected to one side of the shell. According to the crane hook anti-swing device, through cooperative arrangement of the connector and the telescopic rod, the device can limit the position of a rope on a crane during use, so that swing of the rope is reduced, the swing degree of the device during transportation is reduced, and through arrangement of the connector, the device can be conveniently assembled with the crane; by arranging the telescopic rod, a rope on the crane can penetrate through the telescopic rod, so that the position of the rope is limited, and the stability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crane control, in particular to a crane hook anti-sway device. Background Art

[0002] The crane hook anti-sway device is a device used to prevent the crane hook from shaking and swaying during lifting operations. The function of the crane hook anti-sway device is to effectively reduce the shaking and swaying of the hook during lifting operations, thereby improving the safety and stability of lifting operations. This device is widely used in various lifting machinery and hoisting equipment and is a very important safety protection device.

[0003] Chinese patent announcement number CN204823810U discloses a crane hook anti-sway device, including a hook body, a fixing frame is arranged on the upper part of the hook body, the fixing frame is arranged obliquely, and a tensioning wheel and a guide wheel are arranged on the upper part of the fixing frame from top to bottom, the tensioning wheel is connected with a tensioning rope, the tensioning rope is provided with a tension sensor, the tension sensor is connected with a controller through a signal line, the tensioning rope is connected with a tensioning device, the tensioning device is connected to the controller through a signal line, the tensioning device is connected with a crane trolley, a lifting drum is arranged on the crane trolley, a lifting rope is arranged on the lifting drum, and the lifting rope is connected to the hook body through the guide wheel. The utility model also has the advantages of reasonable design, simple structure, easy implementation, low cost and high safety.

[0004] However, the utility model has the following problems when actually used:

[0005] 1. The utility model cannot limit the position of the rope when in use, which may cause the rope to shake, thereby reducing the stability of the device;

[0006] 2. When the utility model is in use, it cannot support the goods, and it is not easy to keep the goods balanced during transportation, which can easily cause the goods to tilt and shake, reducing the practicality of the device. Utility Model Content

[0007] 1. Technical issues to be solved

[0008] In order to overcome the above-mentioned defects of the prior art, the utility model provides a crane hook anti-sway device, which solves the problems in the prior art:

[0009] 1. The utility model cannot limit the position of the rope when in use, which may cause the rope to shake, thereby reducing the stability of the device;

[0010] 2. When the utility model is in use, it cannot support the goods, and it is not easy to keep the goods balanced during transportation, which can easily cause the goods to tilt and shake, reducing the practicality of the device.

[0011] (II) Technical solution

[0012] To achieve the above objectives, the utility model is implemented through the following technical solutions: a crane hook anti-sway device, including a telescopic rod with a connector fixedly installed on the bottom, a protective shell is clamped on the bottom of the telescopic rod, a pulley for lifting is clamped on the inside of the shell, a hook for hanging objects is clamped on the bottom of the shell, and a support frame for maintaining the balance of the cargo is fixedly connected to one side of the shell.

[0013] Optionally, a fastening structure for assembly is fixedly connected to the top of the connector, and a sleeve for locking is fixedly installed on the bottom of the connector.

[0014] Optionally, an extension rod for adjusting the length is clamped at the bottom of the telescopic rod, and a limiting plate for clamping is clamped at the bottom of the extension rod.

[0015] Optionally, a circular hole for assembly is opened on the top of the shell, and a rotating shaft for rotation is fixedly connected to the inside of the shell.

[0016] Optionally, a slideway for sliding is provided on one side of the pulley, and a bearing for stable rotation is clamped inside the pulley.

[0017] Optionally, a positioning plate for bearing weight is fixedly connected to the top of the hook, and a lock buckle for preventing falling is clamped on one side of the hook.

[0018] Optionally, a positioning hole for adjusting the length is opened on one side of the support frame, and a stabilizing plate for maintaining balance is clamped on the bottom of the support frame.

[0019] Optionally, a block for limiting the position is clamped on one side of the stabilizing plate, and a rubber pad for protection is fixedly connected to the bottom of the stabilizing plate.

[0020] (III) Beneficial effects

[0021] The utility model provides a crane hook anti-sway device, which has the following beneficial effects:

[0022] 1. The crane hook anti-sway device, through the coordinated setting of the connector and the telescopic rod, can limit the position of the rope on the crane when in use, thereby reducing the shaking of the rope, thereby reducing the shaking degree of the device during transportation. The setting of the connector can make the device convenient to assemble with the crane, reducing the time spent on assembling the device. The setting of the telescopic rod can allow the rope on the crane to pass through, thereby limiting the position of the rope, reducing the shaking amplitude of the device during transportation, and increasing the stability of the device.

[0023] 2. The crane hook anti-sway device, through the coordinated setting of the hook and the support frame, can enable the device to support the transported goods as needed during use, thereby reducing the shaking of the goods and preventing the goods from falling. The setting of the hook can suspend the goods and prevent the goods from falling during transportation. The setting of the support frame can provide stable support for different goods by adjusting the length to maintain the balance of the goods, thereby reducing the shaking of the goods and increasing the protectiveness of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the bearing structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the support frame structure of the utility model;

[0027] Figure 4 This is a schematic diagram of the hook structure of the utility model;

[0028] Figure 5 This is a schematic diagram of the threaded rod structure of the utility model;

[0029] Figure 6 This is a schematic diagram of the structure of the Farah disc of the utility model;

[0030] Figure 7 This is a schematic diagram of the clamping pipe structure of the utility model.

[0031] In the figure: 1. connector; 2. telescopic rod; 3. housing; 4. pulley; 5. hook; 6. support frame; 7. fastening structure; 701. threaded rod; 702. Farah disc; 703. clamping tube; 8. sleeve; 9. extension rod; 10. limit plate; 11. round hole; 12. rotating shaft; 13. slideway; 14. bearing; 15. positioning plate; 16. lock; 17. positioning hole; 18. stabilizing plate; 19. block; 20. rubber pad. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] See also Figure 1 , Figure 5 , Figure 6 and Figure 7The utility model provides a technical solution: a crane hook anti-sway device, in order to enable the device to reduce the shaking of the rope on the crane when in use, a connector 1 and a telescopic rod 2 are provided;

[0034] It includes a telescopic rod 2 with a connector 1 fixedly installed on the bottom, a fastening structure 7 for assembly fixedly connected to the top of the connector 1, a sleeve 8 for locking fixedly installed on the bottom of the connector 1, an extension rod 9 for adjusting the length is clamped on the bottom of the telescopic rod 2, and a limit plate 10 for clamping is clamped on the bottom of the extension rod 9. Therefore, the setting of the fastening structure 7 can make the connection between the device and the crane more firmly, the setting of the sleeve 8 can facilitate the assembly of the connector 1 and the telescopic rod 2, the setting of the extension rod 9 can adjust the length as needed, so as to keep the rope of the crane continuously limited, and the setting of the limit plate 10 can make the assembly of the telescopic rod 2 and the device more convenient, thereby increasing the stability of the device.

[0035] See also Figure 1 , Figure 3 and Figure 4 In order to enable the device to support the goods and maintain the balance of the goods when in use, a hook 5 and a support frame 6 are provided;

[0036] A hook 5 for hanging articles is clamped at the bottom of the shell 3, and a support frame 6 for maintaining the balance of the goods is fixedly connected to one side of the shell 3. A positioning plate 15 for bearing weight is fixedly connected to the top of the hook 5, and a lock buckle 16 for preventing falling is clamped on one side of the hook 5. A positioning hole 17 for adjusting the length is opened on one side of the support frame 6, and a stabilizing plate 18 for maintaining balance is clamped at the bottom of the support frame 6, and a block 19 for limiting the position is clamped on one side of the stabilizing plate 18. A rubber pad 20 for protection is fixedly connected to the bottom of the stabilizing plate 18. Therefore, the setting of the positioning plate 15 can increase the weight borne by the hook 5, the setting of the lock buckle 16 can prevent the goods from falling, the setting of the positioning hole 17 can facilitate the adjustment of the height of the support frame 6, the setting of the stabilizing plate 18 can support the transported goods, the setting of the block 19 can limit the support frame 6 to a certain height, and the setting of the rubber pad 20 can prevent the device from causing damage to the goods, thereby increasing the practicability of the device.

[0037] See also Figure 1 and Figure 2 , in order to enable the device to reduce the force used when lifting goods when in use, a housing 3 and a pulley 4 are provided;

[0038] A protective shell 3 is clamped at the bottom of the telescopic rod 2, a pulley 4 for lifting is clamped inside the shell 3, a round hole 11 for assembly is provided on the top of the shell 3, a rotating shaft 12 for rotation is fixedly connected inside the shell 3, a slideway 13 for sliding is provided on one side of the pulley 4, and a bearing 14 for stable rotation is clamped inside the pulley 4. Therefore, the provision of the round hole 11 can make the assembly of the device more convenient, the provision of the rotating shaft 12 can limit the position of the pulley 4, the provision of the slideway 13 can position the rope on the crane, thereby reducing the force required for lifting the device, and the provision of the bearing 14 can make the pulley 4 more stable during rotation, thereby increasing the practicality of the device.

[0039] Embodiment 1: The fastening structure 7 includes a threaded rod 701, which is fixedly connected to the top of the fastening structure 7. The arrangement of the threaded rod 701 can make it easier to assemble the fastening structure 7 with the crane, reduce the time required for assembly, and increase the working efficiency of the device;

[0040] Embodiment 2: The fastening structure 7 includes a Farah plate 702, which is fixedly connected to the top of the fastening structure 7. The arrangement of the Farah plate 702 can make the fastening structure 7 more secure when assembled with the crane, increase the load-bearing capacity of the fastening structure 7, and improve the stability of the fastening structure 7;

[0041] Embodiment 3: The fastening structure 7 includes a fixing tube 703, which is fixedly connected to the top of the fastening structure 7. The setting of the fixing tube 703 can prevent the fastening structure 7 from loosening when the fastening structure 7 is assembled with the crane, thereby reducing safety risks and increasing the practicality of the device.

[0042] In the utility model, the working steps of the device are as follows:

[0043] First, the rope on the crane is clamped on the pulley 4 through the connector 1 and the telescopic rod 2. Secondly, the device and the crane are assembled through the connector 1. The telescopic rod 2 can change its own length according to the length of the rope. Then the goods are hung on the hook 5. The support frame 6 can support the goods to prevent the goods from tilting. Finally, the shell 3 can protect the internal parts to increase the convenience of the device.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A crane hook anti-sway device, comprising a telescopic rod (2) with a connector (1) fixedly mounted at the bottom, characterized in that: The bottom of the telescopic rod (2) is clamped with a protective shell (3), the interior of the shell (3) is clamped with a pulley (4) for lifting, the bottom of the shell (3) is clamped with a hook (5) for hanging objects, and one side of the shell (3) is fixedly connected with a support frame (6) for maintaining the balance of goods.

2. The crane hook anti-sway device according to claim 1, characterized in that: A fastening structure (7) for assembly is fixedly connected to the top of the connector (1), and a sleeve (8) for locking is fixedly installed on the bottom of the connector (1).

3. The crane hook anti-sway device according to claim 1, characterized in that: An extension rod (9) for adjusting the length is clamped at the bottom of the telescopic rod (2), and a limiting plate (10) for clamping is clamped at the bottom of the extension rod (9).

4. The crane hook anti-sway device according to claim 1, characterized in that: A circular hole (11) for assembly is provided on the top of the shell (3), and a rotating shaft (12) for rotation is fixedly connected to the inside of the shell (3).

5. The crane hook anti-sway device according to claim 1, characterized in that: A slideway (13) for sliding is provided on one side of the pulley (4), and a bearing (14) for stable rotation is clamped inside the pulley (4).

6. The crane hook anti-sway device according to claim 1, characterized in that: A positioning plate (15) for bearing weight is fixedly connected to the top of the hook (5), and a lock buckle (16) for preventing the hook (5) from falling is clamped on one side.

7. The crane hook anti-sway device according to claim 1, characterized in that: A positioning hole (17) for adjusting the length is provided on one side of the support frame (6), and a stabilizing plate (18) for maintaining balance is clamped on the bottom of the support frame (6).

8. The crane hook anti-sway device according to claim 7, characterized in that: A clamping block (19) for limiting the position is clamped on one side of the stabilizing plate (18), and a rubber pad (20) for protection is fixedly connected to the bottom of the stabilizing plate (18).

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